APA aipamena

Keddy, P. A. (2002). Wetland Ecology principles and conservation.

Chicago Style aipamena

Keddy, Paul A. Wetland Ecology Principles and Conservation. U K, Cambridge, 2002.

MLA aipamena

Keddy, Paul A. Wetland Ecology Principles and Conservation. 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.